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Matching
The following statements describe the various types of animal skeletons. For each one, select the best choice to which each corresponds. Some choices may be used more than once.
-ants have this type of skeleton
A)hydrostatic skeleton
B)exoskeleton
C)endoskeleton
Marginal Revenue
Additional earnings received from marketing one more unit of a good or service.
Perfect Competitor
A theoretical market structure where many firms sell identical products, entry and exit are free, and no single buyer or seller can influence the market price.
Long Run
A period in which all factors of production and costs are variable, allowing firms to adjust all inputs.
Patents
Legal documents that grant an inventor exclusive rights to manufacture, use, or sell an invention for a certain number of years.
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